Insulator.



To all whom it concern:

Um'rEDsTArEs P rENT "onnron. j

A CORPORATION OF NEW JERSEY.

IGNITION sirs'rnm non EXPLOSION-ENGINES.

Be it known that I, Rronann VARLEY, a citizen of the United States,residing at Englewood, in the county of Ber en and State .of New.Jersey, have invente certain new and useful Improvementsin I nitionSystems for Explosion-Engines, 0% which the following is a full,olear,'and exact descriptlon.

This'invention relates to ignition systems for explosion engines, andmore articularly to an arrangement by which tl ie duration of theprimary circuit closure is varied with res ect to the stroke of theeine.

he ordinary circuit controllmg device for an ignition system is drivenby the engine and closes the circuits of an induction coil, or, moregenerally, a plurality of induction coils at fixed intervals and'for apredetermined duration or dwell. The longer the period of circuitclosure or dwell, the more certain the ignition becomes, but, on, theother hand, a long circuit closure consumes an excessive'batterycurrent, and, in many g The present application is there re'Rdistin-,

the fact that in the present app cases uselessly, since the engineordinarily operates properly with very short current duration. Somemeans for regulation is desirable, especially as the controlling. deviceis driven by the en in'e so that the rimary dwell is less at big speedsthan at lbw speeds.

It is the rincipal object of my present invention to ave the primarycircuit closure or dwell controllable so as to be suited to theconditions.

are, at certain times, connected inseries with one another and, at othertimes, used individually to change the primal? dwell.

guished from my co-pendin'g apElicsionJg ca on dwell is always s rtened-by contacts.

rounded by insulating. material, so that the e different Specificationof Letters Patent. Patented March 16,1909.

Application filed June 4, 1908. Serial N0. 438,543.

connecting in a series circuit two segments or contacts of differentangular extent, while,

I RICHARD VARLEY, OF ENGLEWOOD, NEW JERSEY, ASSIGNOB TO THE KUTOCOILCOMPANY, j

in said 00- ending application, the primary I dwell is engthened byincluding two segments or contacts of different angular extent in amultiple circuit. The present invention more particularly consists inthe features of construction andcombination as hereinafter set forth.and finall particularly pointed out in the a pended 0 arms.

In the drawing: igure 1 is a diagrammatic view showing a circuitcontroller and ignitionsystem embodying the principles of my invention;Fig. 2 is a vertical sectional View of the controller. Fig. 3 is aartial sectional view on the line IIIIII of ig. 2. Fi 4- illustrates astill further modification.

n the form of the invention shown in Figs.

1, 2, and 3, there-are provided a plurality of induction coils C C C C.B designates the battery or current source, and 1 denotes broadly acircuit controller ada ted to close the primary circuits of the co' s ina predetermined order and in such a manner that the duration of theprimary circuit closure or dwell can be varied. The controller 1preferably includes a casing or housing 2 of insulating material, havingan upper bank of segments 3 and a lower bank of segments formed by asingle metallic ring 4 which is cut away along spaced sections 5 at itsinterior surface. In this way'there are presented a number of portions 6of the ring, which form the equivalent of segments or The ring 4 isembedded or sur contact portions 6 of the ring are. alone exposed at theinterior surface of the insulating housing 2. 8 desi ates the revolubleelement of the contro er, which may be made in any desired way, so as toprevent two separate arms in rotatable engaging relation w1th segments 3and the contacts 6,respectively. For this purpose the separate arms arelocated in different planes corresponding to the planes of said segmentsand contact ring. I prefer the construction shown, making use of a flier9 fixed to the shaft 10 and having sets of arms 11 and 12, respectivelycarrying the spring pressed rollers 13 and 14. The roller 13 is adaptedto engage the segments 3, while the roller 14 revolves in the path ofthe contacts 6. The rollers are preferably disposed on diametricallyopposite sides of the shaftlO, so as to give a balanced SAMU BARTLEYQNDWILLIAM O. BARTLEY, OF CALHOUN, ILLINOIS.

INSULATGR.

Specification oi Letters Patent.

retnteanarct is, 1909.

Application filed June 17, 1908. Serial No. %38,:93.

Z all "whom it may concern:

le it known that we, SAMUEL BARTLEY and WILLIAM O. BARTLRY, citizens ofthe United States. residing at Calhoun, in the county of Richland andState of Illinois, have invented new and useful linprovcments ininsulators, of which the following is a specification.

lhis inventionrelates to electric-wire supports and insulators ol' thetype shown in our Letters-Patent Number 836,916, granted July 24, 1906,wherein a. sectional insulator is held within a divided or se tionalcasing, and constitutes an improvement upon the construction ofinsulator disclosed therein the particular object of the presentinvention being, first, to provide means 'i'oigpreventing the entranceof rain, snow or sleet at the ends of the casing and to protect the adjacent portions of the wire, and, second, to provide means for securingan eiiective ventilation 01' the insulator or circulation of air throughthe same and around the clamped portion of the wire.

In the accompanying drawing, Figure 1 is a front elevation of theinsulator, with the lower end of the supporting pin broken'away.

- Fig. 2 is a bottom plan view of the top section of the insulatorcasing and the insulator section contained therein. Fig. 3 is a top planview of the bottom section of the insulator casing and the insulatorsection contained' therein. Figs. 4 and 5 are verticaltransversesections taken on different lines through the closedinsulator.

Referring to the drawing, the numeral 1 designates the supportingpin'o'f the device, which'may boot the constructi n set forth inouraforesaid patent to securet e insulator to a pole or other support, andwhich is fixed to and depends from the lower half .or section 2 of theinsulator casing 3, which includes a similar upper half or section 4.The casing '3 is thus composed of two longitudinally-divided orsemicircular sections, as shown, the bottom one of which is adapted tobe rigidly secured to a suitable support.

Suitable means are provided for'connecting and locking the two sectionstogether, which may be the same as that disclosed in our patentedstructure. As-illustrated, the bottom section 5 is formed on one sidewith a pair of receiving or keeper hooks 5, one located near each endthereof, which hooks are adapted to receive retaining lugs 6,

formed upon the contiguous side of the top section 4. The opposite orfront sides of the casing sections 2 and 4 are respectivelyprovided atan intermediate point withlocking lugs 7 and 8, adapted tov be engagedby a locking plate 9. The plate is formed with an oblong opening toadaptit to be fitted over upon said lug, the lug 7 being provided with anundercut surface 10 and the lug 8 with a series of locking teeth 11 fora locking engagement of the .plate therewith, as fully set forth in saidpatent. Any other suitable type of connecting and locking means may,

however, be employed.

sulator sections may be formed of glass, por celam, rubber, fiber or anyother suitable 1nsulati-ng material, and the meeting faces thereof arePI0Vl( l-.'-(l with central coinciding recesses 14 for the passage ofthe wire, which Til extends longitudinally through the casing,

the said recesses being preferably of angular form so that the wallsthereof will firmly clamp the wire in position.-

In order to'provide for the free passage of the wire and to obviateliability of contact between the same and the casing, the sections ofthe casing are respectively formed withsemicircular openings 15 and 16of sui'licient diameter to dispose the metal of which the casingsections are 1 preferably made a distance away from the wire. When thecasing sections are closed the wire will extend longitudinally throughthe recesses 14 and openings 15 and 16, and in order to protect theadjacent portions of the same and toprevent entrance of rain, snow orsleet to the ends of the casing, the ends of the top section 4 areprovided with semicircular hoods or shields 17 to overhang the Wire andextend outward a suiiicient distance to guard the openings.

The insulator sections are respectively provided in their meeting facesWith outwardly flaring cavities or recesses 18 and 19 which communicateat their inner ends with the recesses 14 and at their-outer ends withthe respective openings 15 and 16, and inter

